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Salary
$39k – $52k per year (gross)
Location
In office (Singapore)
Seniority
Junior · 2+ years exp
Employment
Full-Time

First seen by Alion on Oct 13, 2026.

Overview
Company
Impact
Profile match
Combuilder is a Singapore company providing IT manpower outsourcing, HR solutions and IT facility management, supplying contract engineers and support staff to organisations that need technical teams without hiring them directly. Its business units cover IT solutions staffing and facility maintenance, and its vacancies are advertised on the government MyCareersFuture portal for assignments at client sites around Ang Mo Kio, Jurong East and the east and west of the island. Openings include software engineers in Go, Python, C++ and C#, data scientists, test and security engineers, system and network engineers, project managers and technical support officers.
Responsibilities
  • Develop and maintain software for security-sensitive and network-facing applications
  • Develop and integrate software using Go, Python, NodeJS and/or Rust
  • Work with networking and security protocols, including TCP/UDP, sockets and TLS
  • Integrate cryptographic functions using established libraries
  • Improve software performance, reliability and efficiency
  • Develop and maintain unit, integration and security tests
  • Participate in code reviews, security reviews and vulnerability fixes
  • Troubleshoot and contribute to services written in Go, C++ or Python
  • Work closely with security, platform and infrastructure teams
Requirements
  • Strong development experience in Go, Python, NodeJS and/or Rust
  • Good understanding of network programming
  • Knowledge of secure coding, authentication, authorisation and common security threats
  • Comfortable working in Linux environments
  • Good understanding of testing, CI/CD and software development practices
  • Experience with backend systems, databases, caching and microservices
  • Strong problem-solving and debugging skills
  • Interest in using AI tools to support software development and learning
Good to Have
  • Experience with cryptography or TLS
  • Knowledge of Post-Quantum Cryptography (PQC)
  • Experience with high-performance networking or asynchronous programming
  • Experience with secure networking products
  • Exposure to Kubernetes / containerised environments
  • Knowledge of SAST/DAST, dependency scanning or SBOM

Skills

TLS, Kubernetes, Node.js, Go, Cryptography, Network Programming, Python, CI/CD, Docker, Backend Development, Network Security, Linux, Software Development, Rust

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